Game = {
		// Initialize and start our game
		start: function() {
			// Start crafty and set a background color so that we can see it's working
			Crafty.init(500, 500);
			Crafty.background('rgb(130,50,50)');
			Crafty.e("2D, Canvas, Ball").Circle(10, 'rgb(30,150,30)')
			.attr({x:250, y:250, dX:Crafty.math.randomInt(-5, 5), dY:Crafty.math.randomInt(-5, 5)})
			.bind('EnterFrame', function () {
			//hit floor or roof
			if (this.y <= 0 || this.y >= 500-2*this.radius)
				this.dY *= -1;

			if (this.x <= 0 || this.x >= 500-2*this.radius)
				this.dX *= -1;

			this.x += this.dX;
			this.y += this.dY;
			});

			Crafty.e("2D, Canvas, Ball").Circle(15, 'rgb(130,50,130)')
			.attr({x:250, y:250, dX:Crafty.math.randomNumber(-5, 5), dY:Crafty.math.randomNumber(-5, 5)})
			.bind('EnterFrame', function () {
			//hit floor or roof
			if (this.y <= 0 || this.y >= 500-2*this.w)
				this.dY *= -1;

			if (this.x <= 0 || this.x >= 500-2*this.h)
				this.dX *= -1;

			this.x += this.dX;
			this.y += this.dY;
			});

			Crafty.e("2D, Canvas, Box").Box(20, 20, 'rgb(250,250,250)').attr({x:275, y:275});
		}
		}